// Stuart Reges, Zorah Fung, Benson Limketkai CSE 142
// Point objects have x and y fields that represent
// positions in 2D space.

// This version has encapsulated fields, a toString method and several
// instance methods.

public class Point {
   private int x;
   private int y;
   
   // Create a Point a the given position.
   public Point(int x, int y) {
      this.x = x;  // use of the this keyword avoids shadowing
      this.y = y;
   }
   
   // Create a Point representing the origin.
   public Point() {
      this(0, 0);
   }
   
   // Returns this point's x coordinate.
   public int getX() {
      return x;
   }
   
   // Returns this point's y coordinate.
   public int getY() {
      return y;
   }
   
   // Moves x and y coordinates of this point by specified amounts
   public void translate(int dx, int dy) {
      setLocation(x + dx, y + dy);
   }
   
   // Returns the distance of this Point from the origin.
   public double distanceFromOrigin() {
      Point origin = new Point();
      return distance(origin);
   }
   
   // Returns the distance between this Point and another Point.
   public double distance(Point other) {
      int dx = x - other.x;
      int dy = y - other.y;
      return Math.sqrt(dx * dx + dy * dy);
   }
   
   // Changes the location of this Point.
   public void setLocation(int newX, int newY) {
      x = newX;
      y = newY;
   }
   
   // Returns this Point's coordinates surrounded by parentheses
   // and separated by a comma.
   public String toString() {
      return "(" + x + ", " + y + ")";
   }
}